US Bridges

South Broadway over Southern Railroad

Good

Knox County, Tennessee · City of Knoxville · Structure no. 47SR0330043

Built
2022
3 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
152 ft
3 main spans
Daily traffic
28,358
2022 count
Owner
State
State Highway Agency

About this bridge

South Broadway over Southern Railroad is a concrete continuous box beam or girders - multiple carrying South Broadway over Southern Railroad in Knox County, Tennessee. It was built in 2022, so it is 3 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,358 vehicles a day, roughly 5% of them trucks, projected to reach 29,209 by 2042. The structure is 152 ft (46.3 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth Broadway
CrossesSouthern Railroad
LocationCity of Knoxville
RouteState Highway SR-33
Coordinates35.96858, -83.92426
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length152 ft (46.3 m)
Longest span52 ft (15.8 m)
Deck width61 ft (18.5 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,358 (2022)
Projected traffic29,209 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was South Broadway over Southern Railroad built?

It was built in 2022, making it 3 years old in 2025.

What condition is South Broadway over Southern Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does South Broadway over Southern Railroad carry?

About 28,358 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is South Broadway over Southern Railroad?

The structure is 152 ft (46.3 m) long with a longest span of 52 ft (15.8 m) and a deck 61 ft wide.

Who owns South Broadway over Southern Railroad?

It is owned by the State Highway Agency.